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AUDIT_SYS_OPERATIONS and top-level operation

By Franck Pachot . SYSDBA is powerful. You should use it only when you need to. And you should audit what is done when connected SYSDBA. This is achieved by AUDIT_SYS_OPERATION. But do you have an idea how much audit(…)

Documentum Administrator UCF Troubleshooting

Maybe you had some issues with UCF in DA as me. I had this for no reason since few days at a customer. The problem was that we use SSL with DA and the Unified Content Facilities (UCF) wasn’t happy(…)

Neue Datenbank Konsole Befehle (DBCC) CLONEDATABASE

Sie haben es vielleicht noch nicht gesehen, aber mit den Service Pack 2 von SQL Server 2014 gibt es einen neuen DBCC Befehl: CLONEDATABASE. „DBCC CLONEDATABASE sollte Kopien eines Schemas und den Statistiken einer Produktionsdatenbank erstellen, um bei Leistungsproblemen Abfragen(…)

Java reflection: Get classes and packages names from a root package within a custom URLClassloader

I have got a case for which I needed to use a custom Classloader, in order to find the list of classes and packages available across several software plugins materialized by a set of jar files. These jar files(…)

Generate Azure VM with Resource Manager deployment in PowerShell

Recently, there is a new way to manage the Azure infrastructure with Resource Manager. It brings many advantages regarding the classic deployment. The differences between these two deployments will not be covered in this blog because it is(…)

Unplugged pluggable databases

By Franck Pachot . When Oracle Multitenant came out in 12c, with pluggable databases, it was easy to draw them as USB sticks that you can plug and unplug to/from your Container Database (CDB). I don't like this because it(…)

Windows: Sauvegarde RMAN sur un disque partagé

Dans ce blog, je vais vous expliquer comment exporter les backups RMAN sur un « share disk » appartenant à un Domaine. Assurer la sécurité des données est l’une des tâches principales de l’administrateur : La mise en œuvre d’une protection des fichiers sensibles(…)

Multitenant internals: object links on fixed tables

By Franck Pachot . The previous post partly answered to the original question (why an object link to V$SESSION is refreshed only every 30 seconds): recursive queries on shared=object views. Now let's see what is different(…)

Multitenant internals: how object links are parsed/executed

By Franck Pachot . I had a comment on object links internals when creating a sharing=object view on GV$SESSION. Before posting about this specific case, I realized that I've never explained how a query on(…)

List usernames instead of uids with the ps command for long usernames

By William Sescu Have your ever faced such a situation. You have usernames in your /etc/passwd file with more than 8 characters. This is no problem for Linux at all, usernames may be up to 32 characters long, only your(…)